pip install pyOpenSSL
flask run --cert="adhoc"
https://juejin.im/post/5b83c569f265da436152f7d5
http://www.mamicode.com/info-detail-1796268.html
flask run --cert=cert.pem --key=key.pem
来源:oschina
链接:https://my.oschina.net/u/4386991/blog/4291984